Oil Pump Assemble

WARNING: This page is about a different car, the 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 21882 Oil Suction Pipe Installer. See Special Tools and Equipment .
J 22144 Oil Suction Pipe Installer. See Special Tools and Equipment .

Lubricate all the internal oil pump parts using engine oil during assembly.
Install the oil pump gears.

Fig 1: Installing Oil Pump Gears
Courtesy of GENERAL MOTORS CORP.
Install the oil pump cover.

Fig 2: Installing Oil Pump Cover
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the oil pump cover bolts.
Tighten

Tighten the oil pump cover bolts to 10 N.m (89 lb in).
Install the pressure regulator valve.
Install the pressure regulator spring.
Install the cotter pin.
IMPORTANT: Make sure the cotter pin is properly secured.
Apply sealer GM P/N 12346004,
(Canadian P/N 10953480) or the equivalent to the new suction pipe.
Tap the new suction pipe into place using a plastic hammer. Use the J 21882 for 5/8 inch pipe or J 22144 for 3/4 inch pipe.

Fig 3: Installing Pressure Regulator Spring
Courtesy of GENERAL MOTORS CORP.